Xylem WTW DIQ/S 281 Operating Manual Download Page 4

Page: 4 / 132

Contents

ba77244d01

08/2020

3.11.2 Connection of a sensor with compressed air cleaning . . . . . . . . . . . . . . . . . . . . . 41
3.11.3 Connection of a sensor that is located at a distance

(without compressed air cleaning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.12 Figures of the terminal strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

4.1

Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.1.1

Overview of the operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

4.1.2

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4.1.3

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.2

General operating principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4.2.1

Navigating in menus, lists and tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.2.2

Entering texts or numerals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

4.3

Access to the DIQ/S 28X with active access control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.4

Display of current measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.5

Messages and log book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.5.1

Message types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.5.2

Log book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4.5.3

Viewing detailed message texts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4.5.4

Acknowledge all messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.6

Calibration data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.6.1

Calibration entries in the log book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4.6.2

Calibration history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.7

Status info of sensors and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.8

General course when calibrating, cleaning, servicing or repairing an IQ sensor

. . . . 60

4.8.1

Maintenance condition of IQ sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4.8.2

Switching on the maintenance condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4.8.3

Switching off the maintenance condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4.9

USB interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4.10 Info on software versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4.11 Software-Update for the DIQ/S 281 and sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Settings/setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

5.1

Selecting the language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

5.2

Terminal settings of the DIQ/S 28X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

5.3

Access control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
5.3.1

Activating the access control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

5.3.2

Activating the instrument block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

5.3.3

Electronic key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

5.3.4

Access to the DIQ/S 28X with active access control . . . . . . . . . . . . . . . . . . . . . . 72

5.4

Settings for sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

5.5

Editing the list of outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

5.6

Alarm settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.6.1

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.6.2

Setting up / editing alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.6.3

Alarm output to display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

5.6.4

Alarm output as relay action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Summary of Contents for WTW DIQ/S 281

Page 1: ...OPERATING MANUAL ba77244e01 08 2020 DIQ S 281 UNIVERSAL TRANSMITTER FOR ONE DIGITAL SENSOR UN IVER SA L TR AN SM ITT ER DIQ S 281...

Page 3: ...ical installation 12 3 4 Installation guidelines for lightning protection 13 3 5 Connecting the sensor 15 3 5 1 IQ sensor with SNCIQ cable 15 3 5 2 IQ sensor with permanently mounted cable 17 3 6 On s...

Page 4: ...bration entries in the log book 58 4 6 2 Calibration history 59 4 7 Status info of sensors and outputs 59 4 8 General course when calibrating cleaning servicing or repairing an IQ sensor 60 4 8 1 Main...

Page 5: ...sor monitoring 97 6 6 4 Limit indicator 98 6 6 5 Frequency controller 98 6 6 6 Pulse width output 100 6 6 7 Cleaning 100 6 6 8 Manual control 104 6 6 9 Alarm contact 104 6 7 Setting the current output...

Page 6: ...DIQ JB 122 9 3 DIQ CHV 123 9 4 Space required by mounted components 124 10 Accessories and options 125 11 Messages 126 11 1 Explanation of the message codes 126 11 1 1 Error messages 126 11 1 2 Infor...

Page 7: ...ed outputs can be used to monitor sensors and for the output of measured values A relay output can be programmed as Monitoring relay Limit monitor Proportional output of measured values pulse width or...

Page 8: ...nic key for sim ple access to the system when access control is switched on see section 5 3 3 Connection of a USB hub for the reproduction of the USB interface Note The USB interface is designed for U...

Page 9: ...non active condition open Current outputs switch to the non active condition 0 mA A restart is carried out automatically when the power returns The continues working with the settings of the time prio...

Page 10: ...n where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the product Note all labels information signs and safety symbols on the product A warning symbol triangle wi...

Page 11: ...opened if this is explicitly described in this operating manual example connecting electrical lines to the terminal strip 2 2 3 Unauthorized use The product must not be put into operation if it is vis...

Page 12: ...nce may only be carried out under controlled environmental conditions 3 3 Safety requirements of the electrical installation Electrical equipment such as motors contactors cables lines relays switches...

Page 13: ...ges an inte grated concept of the following protective measures is required internal device related protective measures and external protective measures of the installation environment The internal de...

Page 14: ...d a surge protection system for the plant 6 One part of the safety and lightning protection concept is based on the high grade protective insulation of the DIQ S 28X It does not have or require any pr...

Page 15: ...eater than 60 V The free end of the sensor cable was stripped in the factory and all the wires are fitted with wire end sleeves Tools Phillips screwdriver Small screwdriver 3 5 1 IQ sensor with SNCIQ...

Page 16: ...figure 3 1 with the sealing pos 2 into the housing at the mounting position for the SENSORNET connection see label on the bottom of the housing 3 Loosen the cap nut pos 3 in figure 3 1 4 Feed the sens...

Page 17: ...to the terminal strip At the same time look out for the designations of the terminals red shield green 6 Tighten the cap nut pos 3 in figure 3 1 7 Close the enclosure The complete assignment of the t...

Page 18: ...s 1 in figure 3 1 with the sealing pos 2 into the housing at the mounting position for the SENSORNET connection see label on the bottom of the housing 3 Loosen the cap nut pos 3 in figure 3 1 4 Feed t...

Page 19: ...hield against the effects of the weather snow ice and direct solar radiation Otherwise mal 5 Connect the cable ends to the terminal strip When doing so look out for the designations of the terminals w...

Page 20: ...shield can be mounted to round or square section pipes e g rails with the aid of the MR SD 170 mounting kit section 3 6 3 Wall mounting The universal transmitter is permanently fixed to a wall For wal...

Page 21: ...lind nuts 1 Screw the sun shield pos 1 in figure 3 5 with the four hexsocket head screws pos 2 the washers pos 3 and the clamps pos 4 at the required height on the mounting stand from the back 2 3 4 1...

Page 22: ...Materials required SD K 170 sun shield see chapter 10 ACCESSORIES AND OPTIONS The MR SD 170 mounting kit is also required for mounting the sun shield on a mounting stand or railing see chapter 10 ACCE...

Page 23: ...THS IQ kit for top hat rail mounting see chapter 10 ACCESSORIES AND OPTIONS Tools Phillips screwdriver 1 Remove the two countersunk screws pos 1 in figure 3 8 and swing open the module lid 2 Position...

Page 24: ...e 3 9 on the back of the universal transmitter with the two plastic tapping screws pos 2 2 Attach the universal transmitter to the top hat rail from above using the clamping assembly and press against...

Page 25: ...mounting set is described below Materials required PMS IQ kit for panel mounting see chapter 10 ACCESSORIES AND OPTIONS Tools 3 mm set screw wrench contained in the panel installation kit Switch pane...

Page 26: ...re from the front 2 Slightly unscrew the bolts pos 2 and 3 of the two angle brackets pos 1 in figure 3 11 but do not remove them 3 Push in the two angle brackets as shown in figure 3 11 into the later...

Page 27: ...mping range 4 5 to 10 mm This cable gland is suitable for all cables earth cable after stripping the outer insulation see section 3 6 and sensor connection cables Large clamping range 7 to 13 mm This...

Page 28: ...enclosure must be cut off as closely as possible to the cable gland Screw a small cable gland with sealing ring into each remaining free opening and close it with a blind plug 3 8 Connecting the volta...

Page 29: ...to the power supply may only be carried out when it is not carrying any voltage The power supply must fulfill the specifications given on the nameplate and in chapter 9 TECHNICAL DATA When installed i...

Page 30: ...e approx 45 mm L N cut ground wire here 5 On the left hand side of the DIQ S 28X remove the two countersunk screws and open the enclosure 6 Screw a cable gland pos 1 in figure 3 13 with sealing ring p...

Page 31: ...h the specification on the terminal label under the terminal strip 10 Tighten the cap nut pos 3 in figure 3 13 WARNING No free wires are allowed to project into the housing Oth erwise there is a dange...

Page 32: ...ecifications quoted on the name plate and in chapter 9 TECHNICAL DATA protective low voltage SELV The connection of the DIQ S 28X universal transmitter to the power supply may only be carried out when...

Page 33: ...the left hand side of the DIQ S 28X remove the two countersunk screws and open the enclosure 5 Screw a cable gland pos 1 in figure 3 16 with sealing ring pos 2 into the enclosure below the 24 V AC DC...

Page 34: ...y wires that are not in use as closely as possible to the cable gland The complete assignment of the terminal strip is shown in section 3 12 8 Connect wires 1 and 2 to the terminal strip Make sure tha...

Page 35: ...bject to the danger of physical contact may only be connected by a qualified electri cian Electrical circuits subject to the danger of physical contact may only be connected when they are voltage free...

Page 36: ...the terminal strip is shown in section 3 12 2 Screw a cable gland pos 1 in figure 3 18 with the sealing ring pos 2 into the enclosure below the respective connections 3 Loosen the coupling ring pos 3...

Page 37: ...dule The auxiliary voltage must not be used for other purposes Connection scheme for one sensor with compressed air cleaning Run the bridge below the divider so the bridge does not bump against the ci...

Page 38: ...not yet providing any measurement values Init appears temporarily Relais contact Bridge Auxiliary voltage output Valve control line Separating plate Start checklist 1 Are all components correctly conn...

Page 39: ...s process can take several seconds During this period the following display appears figure 3 19Display during the initialization process Second start phase As soon as the Universal Transmitter is succ...

Page 40: ...gth SNCIQ UG plus SACIQ 250 m 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SNCIQ UG SNCIQ UG SACIQ Sensor 1 Sensor 1 SACIQ DIQ JB DIQ S 281 24V DIQ S 281 24V S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL TRANSMITTE...

Page 41: ...tch SELV voltages only DIQ CHV DIQ JB SNCIQ UG SACIQ Valve control line Air Sensor Maximum total cable length SNCIQ UG plus SACIQ 250 m DIQ S 281 24V S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL T...

Page 42: ...X10 X1 Terminal strip DIQ S 28X Terminal strip DIQ CHV R1 HILFS SPANNUNG AUXILIARY VOLTAGE VENTIL VALVE VERTEILER DISTRUBUTION R2 R3 Valve control line X1 X4 X2 X5 X3 X6 X7 SNCIQ UG green Shield fill...

Page 43: ...cable length SNCIQ UG plus SACIQ 250 m 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SNCIQ UG SNCIQ UG DIQ S 281 24V SACIQ DIQ S 281 Sensor SACIQ DIQ JB S C M ESC OK USB UNIVERSAL TRANSMITTER UNIVERSAL TRANSMITTER DIQ...

Page 44: ...Y VOLTAGE 0 4 20mA REC C2 X5 X4 0 4 20mA REC C1 X15 X13 X14 X12 R2 R1 240V AC 2A AC 240V AC 2A AC SENSORNET 1 ROT RED SCHIRM SHIELD GR N GREEN X3 X2 X11 X15 X13 X7 X1 X10 X14 X12 X6 AUXILIARY R2 R1 24...

Page 45: ...tation of current measured values the graph of measured values status displays and message texts The 5 keys M C S ESC OK and the arrow keys are used to operate the DIQ S 28X Universal Transmitter figu...

Page 46: ...uires immediate action see section 4 5 3 6 Info symbol i If the info symbol flashes new or unacknowledged information is present in the log book see section 4 5 3 7 Display range for measured values m...

Page 47: ...t 4 Series number of the sensor 5 Unit and parameter of the main measured value 6 User right details see above 1 2 3 4 5 6 Init Sensor is being initialized during commissioning or if a new IQ sensor i...

Page 48: ...o the next higher level with the ESC key Start a calibration procedure with the C key Switch to the settings with the S key Change to the measured value display and break off current actions with the...

Page 49: ...ttings menu with S Menus appear in the form of a list on the display e g the Einstellungen Settings menu shown here figure 4 4 Einstellungen Settings 2 Select a menu item e g System settings with Move...

Page 50: ...dit list of outputs menu item with 3 Confirm the Edit list of outputs menu item with OK The Edit list of outputs display opens A column is highlighted 4 Select the Name column with 5 Confirm the Name...

Page 51: ...4 6 Edit list of outputs The following letters numerals and special characters can be entered AaBb Zz0 9 _ 8 Select a letter or numeral with 9 Confirm the letter with OK The character p appears behind...

Page 52: ...firm with OK 11 Repeat steps 8 to 10 until the whole name has been entered You can break off entering the name with ESC The old name is retained Access control is switched off in the delivery conditio...

Page 53: ...ng information symbol or error symbol on the display All messages are recorded in the log book 4 5 1 Message types The system differentiates two types of messages Error h Indicates a critical status i...

Page 54: ...all detailed message texts in the log book have been opened and marked with a checkmark see section 4 5 3 Structure of the log book In the case of errors immediately open the detailed message text in...

Page 55: ...racters and can contain numerals and let ters e g II21171 Category Component code I 2 171 I Type number Type Posi tion Information Explanation 1 3 Short message form The short form of the message cont...

Page 56: ...ailed message texts can also be found in the component operating manuals of the individual components The log book shows the current status at the point of time it was opened If new messages arrive wh...

Page 57: ...dule 4 5 4 Acknowledge all messages figure 4 10 Log book of entire system 5 Acknowledge the message with OK A checkmark appears in the log book entry 6 Exit the message text with ESC Acknowledgment of...

Page 58: ...ibration history see section 4 6 2 2 Open the Einstellungen Settings menu with S 3 Using select the menu item Service and confirm with OK 4 Using select the menu item Acknowledge all messages and conf...

Page 59: ...rm with OK The Display Options menu opens 3 Using highlight the menu item Calibration history of sensor and confirm with OK The calibration history with the results of the last calibration procedures...

Page 60: ...nsor linked outputs are frozen IQ sensor errors do not prompt changes in the conditions of linked outputs The maintenance condition for IQ sensors is automatically activated during calibration After c...

Page 61: ...asured value display flashes 2 Pull the sensor out of the sample 3 Perform the calibration in the laboratory cleaning maintenance or repair removing and replacing of the sensor about these topics see...

Page 62: ...on the maintenace condition Continue Cancel Display mesage Calibration Step 1 Calibration Step n end Maintenance condition ON manual Sensor cleaning active automatic sequence Sensor cleaning OFF Maint...

Page 63: ...lashes 2 Open the Display Options menu with OK 3 Using highlight the menu item Switch maintenance condition on off and confirm with OK A window that informs you about the maintenance condition opens u...

Page 64: ...components and detailed instructions on how to proceed are available on the Internet at www WTW com 1 Call up the measured value display with M 2 Open the Einstellungen Settings menu with S 3 Using h...

Page 65: ...to the DIQ S 28X via the USB port and with the aid of a USB memory device A Software Update does not change the measurement settings measurement data and calibration data You can view the software ver...

Page 66: ...isplay opens figure 5 1 Language 3 Select a language from the list with and confirm with OK The active language is marked with a checkmark 4 Switch to the higher menu level with ESC or Switch to the m...

Page 67: ...No access control Administrator authorization Maintenance authorization Read permission Access control with instrument block see section 5 3 2 figure 5 2 Terminal settings Setting Selection Val ues E...

Page 68: ...onfigured user rights in the system Each user type can be protected with its own password User right The current user right is shown on the display with the following symbols Access to the system with...

Page 69: ...ured values For the instru ment on which the function was activated Instrument block Instrument block switched off User rights as for Viewer Instrument block active The DIQ S 28X is blocked Only the I...

Page 70: ...ory 4 Note passwords For reasons of safety the administrator password at least should be saved in such a way that it can be accessed in an emergency 5 Press to select the Apply settings function and c...

Page 71: ...ET systems can be saved to every elec tronic key For each IQ SENSOR NET system only one password can be saved to each elec tronic key Saving a password to an electronic key 4 Using select OK and confi...

Page 72: ...on level and confirm with OK 5 Using select the menu item Save access code on USB memory and confirm with OK The password for the selected authorization level is saved to the USB memory device Adminis...

Page 73: ...tings Einstellungen All sensors Note links are deleted Sensor setting menu Measured value display Settings of sensors Column measuring range Sensor If the measuring mode or measured parameter are chan...

Page 74: ...me to each output in the Edit list of outputs display Linking outputs and sensors seesection 6 4 1 Open the Einstellungen Settings menu with S 2 Using and OK select and confirm the menu item System se...

Page 75: ...he display As a relay action 5 6 2 Setting up editing alarms figure 5 6 Edit list of outputs enter a name An alarm message via display or relay cannot be acknowledged or switched off An alarm only dis...

Page 76: ...with To set up a new alarm without entry select in the Sensor column Then confirm with OK When a new alarm is set up a list with all sensors appears first Alarm links that are already available can b...

Page 77: ...or e g pH oxygen etc Adjoining variable designates an additional measured parameter e g temperature Limit value Lower limit Upper limit Type of the alarm event Lower limit An alarm is triggered if the...

Page 78: ...a relay output When the alarm event occurs it carries out the specified action Open or Close For details see section 5 6 3 ALARM OUTPUT TO DISPLAY Accept The settings are taken over in the setting ta...

Page 79: ...le for relays that are not linked with a sensor If necessary an existing link must be erased For details please refer to the operating manual of the output module 5 7 System settings System settings i...

Page 80: ...display Date Time The clock in the DIQ S 28X bridges periods of power failure of up to several hours After a longer power failure the clock starts precisely at the time of the failure A message and an...

Page 81: ...Function code Function for the service staff figure 5 12 Location altitude Air pressure 3 Press to select Set altitude of location or Set air pressure and confirm with OK 4 Press to change the values...

Page 82: ...e section 6 4 Erase links between outputs and the sensor seesection 6 5 Set up outputs see section 6 6 and section 6 7 Check the conditions of the outputs see section 6 8 Basis information on the use...

Page 83: ...ng way Monitoring a limiting value using a relay when a limiting value upper or lower limiting value is exceeded or undercut a relay switches The Open or Close relay actions are possible in each case...

Page 84: ...hes cyclically on and off in a defined measured value range proportional range At the same time the relay switches with a duration of operation that corresponds to the measured value pulse width outpu...

Page 85: ...in the upper output range and a further relay in the lower output range see page 85 Output with one relay Output with two relays figure 6 3 Output with two relays figure 6 2 Output with one relay 10...

Page 86: ...requency output Switching frequency output is used e g for controlling dosing pumps In contrast to the pulse width output the pulse width is not modulated with the frequency output but the switching f...

Page 87: ...or frequency decreases with an increasing measured value see page 90 The maximum values for the pulse width or switching frequency are assigned to the End value value and the minimum values for turn...

Page 88: ...e 6 6 Positive characteristic curve figure 6 7 Negative characteristic curve Measured value Switching frequency f or Pulse v width End value Start value Max Min Measured value Start value End value Ma...

Page 89: ...9 Frequency output 1 Start value Measured value with a minimum pulse width or switching frequency 2 End value Measured value with a maximum pulse width or switching frequency 0 10 50 90 100 Proportion...

Page 90: ...11 Frequency output 1 Start value Measured value with a minimum pulse width or switching frequency 2 End value Measured value with a maximum pulse width or switching frequency 0 10 50 90 100 Proportio...

Page 91: ...erview 1 Open the Einstellungen Settings menu with S 2 Using and OK select and confirm the menu item System settings Edit list of outputs The Edit list of outputs display opens 3 Press to highlight a...

Page 92: ...play opens 3 Press to highlight the column and confirm with OK 4 Select an output with and confirm with OK The Link with display opens The display shows a list of sensors that can be linked figure 6 1...

Page 93: ...ing and OK select and confirm the menu item System settings Settings of outputs and links The Settings of outputs and links display opens 3 Press to highlight the column and confirm with OK 4 Select a...

Page 94: ...confirm with OK The Settings of outputs and links display appears 4 Using highlight the Feature column Confirm with OK 5 Using highlight a line for a relay output Rx in the column Feature Confirm with...

Page 95: ...n 6 6 4 Frequency controller see section 6 6 5 Pulse width output see section 6 6 6 Cleaning see section 6 6 7 Manual control see section 6 6 8 Alarm contact see section 6 6 9 8 Make the settings for...

Page 96: ...the relay remains open for 10 seconds and only closes when the malfunction is no longer present In the following cases the relay does not open despite an invalid measured value The sensor is being ca...

Page 97: ...rors Setting Selection Explanation Error Special Special sensor errors are monitored and can prompt a relay action All All sensor errors special ones and general ones are monitored and can prompt a re...

Page 98: ...ariable UL adjoining var LL adjoining var Main variable designates the actual measured parameter of the sensor e g pH oxygen etc Adjoining variable designates an additional measured parameter e g temp...

Page 99: ...entered that is smaller than the value for Start value Setting Selection Values Explanation Measured variable Main variable Adjoining variable Main variable designates the actual measured parameter o...

Page 100: ...nsor cleaning function with the aid of a relay of the combination output module The relay controls the DIQ CHV valve module and switches the compressed air for the CH sensor cleaning head on or off Se...

Page 101: ...n see section 6 6 8 and while doing so check the behavior of the cleaning system Alternatively you can test the operativeness of the cleaning system by checking the performance of the function at the...

Page 102: ...180 s max 300 s With this the cleaning times are fixed They only change when the Reference time h is changed The reference time and all further cleaning times relate to the date and time of the system...

Page 103: ...ased immediately If the cleaning cycle is canceled manually the sensor is in the maintenance condition The linked outputs are only released after the maintenance condition was terminated manually 1 Re...

Page 104: ...erased In case of a power failure all relays open The cleaning cycle is canceled The outputs linked with the sensor change to the non active condition see section 6 9 2 As soon as the power is avail a...

Page 105: ...column Confirm with OK 5 Using highlight a line for a current output Cx in the column Feature Confirm with OK The Settings of outputs and links display opens 6 Using highlight the menu item Current ou...

Page 106: ...iable Main variable Adjoining variable Main variable designates the actual measured parameter of the sensor e g pH oxygen etc Adjoining variable designates an additional measured parameter e g tempera...

Page 107: ...trol parameters are xset I0 Xp Imin Imax ti and td see setting table on page 110 Unchanged The current at the output remains unchanged with IController Current on the controller output at time t I0 Cu...

Page 108: ...e of the linked sensor If a value is entered for the parameter Xp that is greater than zero the controller has a positive characteristic curve example figure 6 17 To obtain a positive characteristic c...

Page 109: ...result in the following negative characteristic curve Imin 8 mA Imax 14 mA Io 12 mA ti 0 s no I algorithm td 0 s no D algorithm figure 6 18 Characteristic curve for application example 0 8 14 12 Imax...

Page 110: ...K mg l mg l mg l mA 1 mA 12 IRegler 5 4 mA 11 mg l 1 mg l mA 1 mA 12 IRegler Setting Selection Values Explanation Measured variable Main variable Adjoining variable Main variable designates the actual...

Page 111: ...erential part of the controller 0 not effective Behavior at error Fixed current value In the case of an error the current output supplies the current value defined in the Current with error field any...

Page 112: ...rupted for more than 2 minutes The supply voltage for the DIQ S 281 is too low In the function Recorder the measured value of the linked sensor is outside the range between Start value and End value F...

Page 113: ...on of the outputs ends The outputs function as specified by the user again Erasing a link to a sensor Changing the Measuring mode sensor setting for a linked sensor Changing the Measuring range sensor...

Page 114: ...not use high pressure water blasters for cleaning danger of water penetra tion Also do not use aggressive cleaning agents such as alcohol organic sol vents or chemical detergents These types of cleani...

Page 115: ...Error in the measured value display The selected system language was not activated for all components Information on possible errors of IQ sensors is given in the chapter WHAT TO DO IF of the respect...

Page 116: ...sor is auto matically recognized as a new component It is always possible to replace components and assign a substitute if the software state of the substitute component is as high as or higher than t...

Page 117: ...connected sensor The IQ sensor starts oper ating with the settings from the inactive dataset This mechanism ensures that the IQ sensor retains its settings and links if it was removed for maintenance...

Page 118: ...281 dimensions in mm Mechanical structure Test certificates 144 0 144 0 52 2 68 0 11 0 16 5 115 0 70 0 45 0 72 0 137 0 137 0 S C M ESC OK USB UNIVERSAL TRANSMITTER DIQ S 281 Front view Lateral view Re...

Page 119: ...y Nominal voltage 100 240 VAC 10 Frequency 50 60 Hz according to DIN IEC 60038 Line power connection 2 pin N and L Line cross section of mains connection Europe 1 5 4 0 mm2 USA AWG 14 12 Fuse rating o...

Page 120: ...the DIQ S 28X Proportional frequency output Proportional pulse width output Output Galvanically separated from the sensors Output current Can be switched between 0 20 mA and 4 20 mA In the case of err...

Page 121: ...industrial areas intended for indis pensable operation Interference emission limits for resources of class A System lightning pro tection Extended protective characteristics as opposed to EN 61326 FC...

Page 122: ...terial Polystyrene Weight Approx 0 2 kg Type of protection IP 66 not suitable for conduit connection 1 1 2 2 3 3 4 4 5 5 6 6 7 7 7 passive potential free terminals for line extension or branching Term...

Page 123: ...ecting terminals Valve circuits 94 94 28 57 DIQ CHV Enclosure material Polystyrene Weight Approx 0 3 kg Type of protection IP 66 not suitable for conduit connection VENTIL VALVE HILFLSKONTAKTE AUXILIA...

Page 124: ...t rail mounting figure 9 4 Space required for wall and top hat rail mounting dimensions in mm Panel mounting PMS IQ figure 9 5 Space required for panel mounting PMS IQ dimensions in mm Required air qu...

Page 125: ...2 480044 480041V 480045 480066 480060 480064V Set of 4 cable glands M20 for cable sheaths with an outer diam eter greater than 10 mm EW 1 480051 Branching module DIQ JB 472005 Valve module DIQ CHV 472...

Page 126: ...rating manual of the respective component The following lists contain the message codes and the related message texts that are shown on the display Error messages and info messages are listed separate...

Page 127: ...171 Power failure occurred Check date and time and if necessary adjust them Message code Message text Message code Message text II1171 Language not available Default language German Contact service II...

Page 128: ...Messages DIQ S 281 128 ba77244e01 08 2020...

Page 129: ...121 Entering texts 50 Error 53 F Function code 81 I Inactive dataset Sensors 116 Information 53 Initialization 39 K Keys 48 L Language 66 Lightning protection External protective measures 13 Installat...

Page 130: ...minal 66 Time 79 Site altitude 80 Software status Of all components 64 Special user qualifications 11 Start checklist 38 Starting the system 38 Status info 59 System settings 79 T Target group 11 Term...

Page 131: ......

Page 132: ...uildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications ex...

Search results

Summary of Contents for WTW DIQ/S 281

Reviews:

Related manuals for WTW DIQ/S 281

Brands by name

Popular brands

Xylem WTW DIQ/S 281, Operating Manual

Search results

Summary of Contents for WTW DIQ/S 281

Reviews:

Related manuals for WTW DIQ/S 281

Brands by name

Popular brands